C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
C08F 226/02 (2006.01) C08F 8/44 (2006.01) D21H 17/46 (2006.01) D21H 19/24 (2006.01)
Patent
CA 2736595
Vinylamine-containing polymers are disclosed where the amine groups are substituted with cationic functional groups. Processes for preparing such polymers, as well as compositions comprising such polymers are also disclosed. Among other applications, these polymers can be used in papermaking applications as dry strength additives, wet strength additives, retention aids, drainage aids, and pitch and stickies control agents.
L'invention porte sur des polymères à teneur en vinylamine dans lesquels les groupes amine sont substitués par des groupes fonctionnels cationiques. L'invention porte sur des procédés de préparation de tels polymères, ainsi que sur des compositions renfermant de tels polymères. Entre autres applications, ces polymères peuvent être utilisés dans des applications de fabrication de papier, en tant qu'additifs de résistance à sec, additifs de résistance à l'état humide, auxiliaires de rétention, auxiliaires de drainage et agents de lutte contre l'empoissement et l'encrassement.
Gu Qu-Ming
Mckay Jonathan M.
Richard J. Riehle
Hercules Incorporated
Moffat & Co.
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